The AL110.4 4-channel car amplifier by Audio Legion makes the perfect pairing with both Car and Pro Audio speakers that demand more power than the factory system can supply. Built into a stout heatsink designed for optimal heat dissipation, the AL110.4 is capable of supplying 4 channels (each @ 4 Ohm) 110 watts of continuous power. This amplifier design incorporates Korean technology to deliver unwavering power. The input side of the amplifier features all controls necessary for the user to tweak the unit to their precise specifications, including gain adjustment, separate high and low pass filters, and a toggle to choose which filters you would like to utilize. These controls separately control channels 1/2 and channels 3/4 for greater personalization. Remote knob included.